PNB 2250 Bundled Exams Questions and Answers - Updated 2024

PNB 2250 Exam 1 Practice Questions and Answers

PNB 2250 EXAM 1 PRACTICE QUESTIONS AND ASNWERS Which statement is true? a. Heme is commonly found within seawater b. Heme-based proteins played a key role in the metabolism of carbon dioxide into forms less toxic to cells. c. Heme-based proteins likely developed as a means by which Fe was tran...

PNB 2250 Exam 1 Study Set Questions and Answers Animals Traits - Ans:--distinguish them from plants and single cell organisms -eukaryotic, multicellular, complex tissues, differentiated tissues -heterotrophic: consume living or dead plants or animals -movement or sessile (stuck to something) A...

PNB 2250 EXAM 2 PRACTICE QUESTIONS AND ANSWERS What are examples of thermal adaptation? (adapting to change in temp) (E2) - Ans:--Expression of alternative protein forms. -The presence of heat exchangers in the legs of ducks -Changes in gene transcription. -Previous exposure to elevated temper...

PNB 2250 Exam 4 (UConn) Study Guide with Complete Solutions Allen's Rule - Ans:-Animal shapes minimizes heat loss in cold climates and heat gain in warm climates Related to surface/volume Arm length in tropical climates longer than arm length in cold climates Might be related to cartilage ...

PNB 2250 EXAM 3 PRACTICE QUESTIONS AND ANSWERS The presence of poly-unsaturated fatty acids in the cell membrane is decreased in larger animals with lower mass-specific metabolic rates(E3) A. true B. false C. this is dependent on animal shape D. This is only true for swimming animals E. this...

PNB 2250 Exam 3 Practice Questions and Answers A fish freshwater....(E3) A. rapidly loses water through the gills B. loses solutes through the gills C. must be an osmoconformer D. actively pumps solutes out of its body through the gills E. must produce a very concentrated urine - Ans:-D The ...

PNB 2250 Exam 3 Questions and Answers – Updated 2024 Of the following, which is NOT a strategy by which endotherms generate internal heat: - Ans:- Panting The minimal metabolic activity required to maintain bodily functions in a mammal is known as the - Ans:-basal metabolic rate. Which of th...

©GRACEAMELIA 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH OCTOBER 2024 Page 3/43 Name one aquatic and one terrestrial animal that has the opposite physiological setup: one that lacks a circulatory system (at least one used primarily for gas exchange) and respires using bulk flow o...

PNB 2250 Exam 3 Uconn Questions and Answers The loss of digestive wastes, CO2 and NH4+ are examples of _______________. - Ans:-excretion The regulation of H2O and solutes is via ___________________. - Ans:-osmoregulation Water moves from an area of ________ (low, high) osmolarity to an area of _...

PNB 2250 EXAM 4 (final exam review) Study Guide with Complete Solutions stimulus - Ans:-detection by interaction with cellular proteins a change in cellular properties that generates a signal to other cells (chemical and electrical) causes a change in physiological state Control Systems - Ans:...

PNB 2250 EXAM 4 (final exam review) Study GUIDE stimulus - Ans:-detection by interaction with cellular proteins a change in cellular properties that generates a signal to other cells (chemical and electrical) causes a change in physiological state Control Systems - Ans:-(1) measure (2) compar...

PNB 2250 Exam 4 (UConn) Questions and Answers Allen's Rule - Ans:-Animal shapes minimizes heat loss in cold climates and heat gain in warm climates Related to surface/volume Arm length in tropical climates longer than arm length in cold climates Might be related to cartilage growth Effec...

PNB 2250 Exam Practice Questions and Answers How are plant cells held together? - Ans:-Plasmodesma Plasmodesma - Ans:-Flow of nutrients between cells How are animal cells held together? - Ans:-Tight junctions Tight junctions - Ans:-Unique connections for animal cells 2 absolute requirements of...